Bug 2281938 (CVE-2024-35952)

Summary:	CVE-2024-35952 kernel: drm/ast: Fix soft lockup
Product:	[Other] Security Response	Reporter:	Robb Gatica <rgatica>
Component:	vulnerability	Assignee:	Product Security <prodsec-ir-bot>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	acaringi, allarkin, aquini, bhu, chwhite, dbohanno, debarbos, dfreiber, drow, dvlasenk, esandeen, ezulian, hkrzesin, jarod, jburrell, jfaracco, jlelli, joe.lawrence, jshortt, jstancek, jwyatt, ldoskova, lgoncalv, mleitner, mmilgram, mstowell, nmurray, ptalbert, rparrazo, rrobaina, rvrbovsk, scweaver, sidakwo, sukulkar, tglozar, vkumar, wcosta, williams, wmealing, ycote, ykopkova
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	kernel 6.1.87, kernel 6.6.28, kernel 6.8.7, kernel 6.9	Doc Type:	If docs needed, set a value
Doc Text:	CVE-2024-35952 describes an issue in the Linux kernel's AST graphics driver. The problem occurs in the ast_dp_set_on_off() function, where a lack of proper synchronization with the DisplayPort Microcontroller Unit (DPMCU) can result in an infinite loop. This can cause a "soft lockup" in the host system, impacting its availability.	Story Points:	---
Clone Of:		Environment:
Last Closed:		Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2281939
Bug Blocks:	2282032

Description Robb Gatica 2024-05-20 17:19:40 UTC

In the Linux kernel, the following vulnerability has been resolved:

drm/ast: Fix soft lockup

The Linux kernel CVE team has assigned CVE-2024-35952 to this issue.

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024052017-CVE-2024-35952-645b@gregkh/T

Comment 1 Robb Gatica 2024-05-20 17:20:18 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2281939]

Comment 5 Alex 2024-06-09 14:18:35 UTC

The result of automatic check (that is developed by Alexander Larkin) for this CVE-2024-35952 is: 	SKIP	The Fixes patch not applied yet, so unlikely that actual: 594e9c04b5864b4b8b151ef4ba9521c59e0f5c54	YES			NO	NO	unknown	 (where first YES/NO value means if related sources built).

Comment 6 errata-xmlrpc 2024-08-08 04:43:36 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2024:5102 https://access.redhat.com/errata/RHSA-2024:5102

Comment 7 errata-xmlrpc 2024-08-08 04:55:09 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2024:5101 https://access.redhat.com/errata/RHSA-2024:5101

Comment 8 errata-xmlrpc 2024-11-12 09:31:57 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2024:9315 https://access.redhat.com/errata/RHSA-2024:9315